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The deepest moats.
The startups it would be hardest to take customers from.
#StartupMRRCodeMoatVerdict
01
StripePayments, billing, tax, fraud and money-movement APIs, paid for by more than 5 million businesses from startups to half the Fortune 100, mostly through a cut of each transaction.code 6+ monthsn/a6+ monthsyears92Yes02
FigmaA collaborative browser design tool (with FigJam, Dev Mode, Slides, Sites and the AI app builder Make). Product teams pay per seat, from startups up to 95% of the Fortune 500.code a year+n/aa year+years84Yes03
NotionAn all-in-one workspace for docs, wikis, databases, projects and AI agents. Teams and companies pay per seat, from individuals up to enterprises.code 6+ monthsn/a6+ monthsyears80Yes04
Postiz· Social MediaAn open-source, AI-agent-friendly social media scheduler that posts to 30+ channels. Creators, marketers and agent builders pay from $29/month for the cloud version.$320k MRR ·code 3 months$320k3 monthsa year68Yes05
DataExpert / TechCreator· EducationData engineering and AI upskilling: paid live bootcamps plus a $119/mo academy subscription with labs on Databricks, AWS and Snowflake, bought by working engineers.$53.9k MRR ·code 2 months$53.9k2 monthsyears61Yes06
DataFast· AnalyticsWeb analytics that ties traffic sources to Stripe, LemonSqueezy, Polar, Shopify and Paddle revenue. Indie founders and small SaaS teams pay from $9/month.$28.8k MRR ·code 2 weeks$28.8k2 weeksyears57Yes07
Stan· Content CreationA link-in-bio storefront where creators sell digital products, courses, coaching and memberships. Creators pay $29 or $99 a month, and Stan takes no cut of their sales.$3.6M MRR ·code a month$3.6Ma month2+ years55Yes